Question

using identities find the product of (2 /9a^2 +1\3b^2)(2 /9a^2- 3b^2)

Answer 1

Step-by-step explanation:

(2×9×a+1/3b²). (2×9×a²-3b²)

(18a²+3b²). (18a²-3b²)

{ - × + = - }

so : 18 a⁴- 3b⁴

Answer is 18 a⁴-3b⁴